461623115901 has 4 divisors (see below), whose sum is σ = 615497487872. Its totient is φ = 307748743932.

The previous prime is 461623115897. The next prime is 461623115909. The reversal of 461623115901 is 109511326164.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 461623115901 - 2² = 461623115897 is a prime.

It is a super-3 number, since 3×461623115901³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 461623115901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461623115909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76937185981 + ... + 76937185986.

It is an arithmetic number, because the mean of its divisors is an integer number (153874371968).

Almost surely, 2^461623115901 is an apocalyptic number.

It is an amenable number.

461623115901 is a deficient number, since it is larger than the sum of its proper divisors (153874371971).

461623115901 is a wasteful number, since it uses less digits than its factorization.

461623115901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153874371970.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 461623115901 in words is "four hundred sixty-one billion, six hundred twenty-three million, one hundred fifteen thousand, nine hundred one".